Heavy Duty Clamp-On Oarlocks feature an easy-to-install bolted clamp that is adjustable to fit oars between 3/4" and 1-1/2" in diameter. Straight 2" long shank (1/2" or 9/16" diameter available). Constructed of heavy-gauge zinc-plated steel. Recommended for freshwater use.
![Sea-Dog Heavy-Duty Clamp-On Oarlock - Zinc Plated Steel [582070-1]](http://trestlethorn.com/cdn/shop/files/108494XL.jpg?v=1745888270&width=1445)